package chapter_2;

public class Test1 {

    public static void main(String[] args) {

        int a = 10;//简单语句

        {//复合语句
            int b =20;
            int c =30;
            System.out.println(a+b+c);
        }

        System.out.println("A");
        System.out.println("B");
        System.out.println("C");

    }
}
